Global Patent Index - EP 0408468 B1

EP 0408468 B1 19931208 - Process for producing uranium from oxygen-containing uranium compounds by chlorination.

Title (en)

Process for producing uranium from oxygen-containing uranium compounds by chlorination.

Title (de)

Verfahren zur Gewinnung von Uran aus oxydischen Uranverbindungen durch Chlorierung.

Title (fr)

Procédé d'obtention d'uranium à partir d'oxyde et utilisant une voie chlorure.

Publication

EP 0408468 B1 19931208 (FR)

Application

EP 90420314 A 19900704

Priority

FR 8909454 A 19890706

Abstract (en)

[origin: EP0408468A1] Process for obtaining metallic uranium from an oxidised uranium compound, characterised in that, in a first stage, this oxidised compound is treated with chlorine and carbon to obtain a chloride which is reduced, in a second stage, by electrolysis or by pyrometallurgy with the aid of a reducing metal.

IPC 1-7

C22B 60/02; C25C 3/34

IPC 8 full level

C01G 43/00 (2006.01); C22B 60/02 (2006.01); C25C 3/34 (2006.01)

CPC (source: EP US)

C22B 60/0213 (2013.01 - EP US); C22B 60/0286 (2013.01 - EP US); C25C 3/34 (2013.01 - EP US)

Citation (examination)

GMELIN, URAN UND ISOTOPE, 8. édition, no 55, 1936, Verlag Chemie, Weinheim, NRF,DE

Designated contracting state (EPC)

DE GB SE

DOCDB simple family (publication)

EP 0408468 A1 19910116; EP 0408468 B1 19931208; CA 2020494 A1 19910107; CA 2020494 C 20010918; DD 298001 A5 19920130; DE 69005051 D1 19940120; DE 69005051 T2 19940428; FR 2649417 A1 19910111; FR 2649417 B1 19920507; JP 2562985 B2 19961211; JP H0339494 A 19910220; RU 1836468 C 19930823; US 5164050 A 19921117; ZA 905320 B 19910424

DOCDB simple family (application)

EP 90420314 A 19900704; CA 2020494 A 19900705; DD 34247290 A 19900703; DE 69005051 T 19900704; FR 8909454 A 19890706; JP 17939490 A 19900706; SU 4830577 A 19900704; US 54718690 A 19900703; ZA 905320 A 19900706